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- /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- 'use strict';
- const gulp = require( 'gulp' );
- const path = require( 'path' );
- const replace = require( 'gulp-replace' );
- const filterGitignore = require( '../utils/filtergitignore' );
- const tools = require( '../../../utils/tools' );
- /**
- * Removes lines with `'use strict';` directive.
- *
- * Example:
- *
- * gulp exec --task remove-use-strict
- *
- * @param {String} workdir
- * @returns {Stream}
- */
- module.exports = function executeRemoveUseStrict( workdir ) {
- updateJshintrc( workdir );
- reformatDevsJshintrc( workdir );
- return removeUseStrict( workdir );
- };
- // Updates .jshintrc file's `strict` option with `implied` value.
- //
- // @param {String} workdir Path of directory to be processed.
- function updateJshintrc( workdir ) {
- [ '/', 'tests/' ].forEach(
- dir => {
- const jshintrcPath = path.join( workdir, dir, '.jshintrc' );
- tools.updateJSONFile( jshintrcPath, json => {
- json.strict = 'implied';
- return json;
- } );
- }
- );
- }
- // Only reformats (to match other .jshintrc files and package.json code style) the .jshintrc from dev/.
- //
- // @param {String} workdir Path of directory to be processed.
- function reformatDevsJshintrc( workdir ) {
- const jshintrcPath = path.join( workdir, 'dev', '.jshintrc' );
- tools.updateJSONFile( jshintrcPath, json => json );
- }
- // Removes `'use strict';` directive from project's source files. Omits files listed in `.gitignore`.
- //
- // @param {String} workdir Path of directory to be processed.
- // @returns {Stream}
- function removeUseStrict( workdir ) {
- const glob = path.join( workdir, '@(src|tests)/**/*.js' );
- const useStrictRegex = /^\s*'use strict';\s*$/gm;
- return gulp.src( glob )
- .pipe( filterGitignore() )
- .pipe( replace(
- useStrictRegex,
- '',
- { skipBinary: true }
- ) )
- .pipe( gulp.dest( workdir ) );
- }
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